Drinking straw



FIG. 1 is a first perspective view of the drinking straw;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a first end view thereof;

FIG. 4 is a second end view thereof;

FIG. 5 is a first side view thereof;

FIG. 6 is a second side view thereof;

FIG. 7 is a third side view thereof; and,

FIG. 8 is a fourth side view thereof. 

CLAIM The ornamental design for a drinking straw, as shown and described. 